CN106517604A - Electromembrane coupling type dyeing waste water deep treatment and component recycling method - Google Patents
Electromembrane coupling type dyeing waste water deep treatment and component recycling method Download PDFInfo
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- CN106517604A CN106517604A CN201610927861.3A CN201610927861A CN106517604A CN 106517604 A CN106517604 A CN 106517604A CN 201610927861 A CN201610927861 A CN 201610927861A CN 106517604 A CN106517604 A CN 106517604A
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- water
- waste water
- dyeing waste
- reverse osmosis
- electroxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an electromembrane coupling type dyeing waste water deep treatment and component recycling method. According to the method, electrooxidation and membrane system treatment are carried out on outlet water of a secondary sedimentation tank of a dyeing waste water biochemical treatment system. The membrane treatment system comprises submerged ultrafiltration (SMF) and reverse osmosis (RO) filtration. Compared with the prior art, the method has the beneficial effects that the treatment process of the method is short, and the quantity of water for recycling components and final water discharging quantity can be flexibly controlled according to enterprise actual water discharging quantity, water using requirements and pollutant discharging indexes; and at the same time, RO membrane concentrated water can directly meet the emission threshold requirements of the table 2 in Discharge Standard of Water Pollutants for Dyeing and Finishing of Textile Industry (GB4287-2012) and does not need to be treated again, the water supply or pollutant discharging limitation problem of textile dyeing enterprises is effectively solved, and enterprise water saving and emission reduction purposes are achieved.
Description
Technical field
The invention belongs to techniques of Dyeing Wastewater Treatment field, is related to a kind of electrolemma manifold type dyeing waste water advanced treating and divides
Matter reuse method.
Background technology
Textile printing and dyeing industry is typical water consumption and blowdown rich and influential family, with《Textile dyeing and finishing industrial water pollution thing discharge standard》
（GB4287-2012）Enforcement, textile printing and dyeing industry discharge of wastewater is required further to improve, mark transformation is proposed in waste water in industry
Aspect has done many effort, and current dyeing waste water adopts materialization-biochemistry-advanced treating qualified discharge technique substantially, and depth
Reason is air supporting using most technologies, and the technology is wanted for the enterprise for performing indirect discharge standard can substantially meet qualified discharge
Ask, but the enterprise to directly discharge, qualified discharge can not be met sometimes if air supporting effluent index such as the indexs such as CODcr, colourity and is wanted
Ask, it is necessary to which emission request could be met using activated carbon adsorption or ozone oxidation even depth handling process.
On the other hand, with the deep propulsion that country works to energy-saving and emission-reduction, to such as to this kind of consumption of textile printing and dyeing industry
The fresh water consumption index of water rich and influential family is improved constantly, and printing-dying wastewater recycling is required and reuse ratio is also improved constantly, waste water advanced
It is necessary selection to process with reuse.Such as advanced oxidation, activated carbon adsorption and membrane technology are in dyeing waste water depth in recent years
There are more research and application in terms of reason and resource, and reverse osmosis membrane filtration is the most frequently used side of current printing-dying wastewater recycling
Method.Reverse osmosis membrane has a higher salt rejection rate, and it is high to produce water quality, can direct reuse to production process, but film concentrated water then generally existing
The indexs such as colourity, CODcr do not reach the problem of industry emission request, are such as reintegrated Waste Water Treatment, because of its high salt
Degree causes salinity constantly to accumulate in biochemical treatment system, and the efficiency of biological treatment system can be caused to be greatly reduced, and qualified discharge is all
Cannot realize.Therefore, how to realize industry water-saving and emission-reducing, improve waste water recycling amount, while solving asking for film concentrated water qualified discharge
Topic seems very urgent.
Also the new method of some dyeing waste water advanced treating and reuse is occurred in that in recent years.
102701331 A of Chinese Patent Application No. CN discloses a kind of dyeing waste water electricity and decomposes depths treatment for reuse side
Method, to initial pH for 6-9, TDS 800mg/L, CODcr100-200mg/L dyeing waste water in 5-12mA/cm2Under electric current density
Electrolysis 0.5-1h, 30 times of water outlet CODcr 60mg/L, colourity, recoverable.The invention can reduce waste water COD cr and colourity,
Water quality reaching standard is solved the problems, such as, but electrolytic process can not remove the salinity in waste water, this water is only used for will to salinity
Not high production link is sought, as simple recycle-water, to other production links and is not applied to.
104944646 A of Chinese Patent Application No. CN discloses a kind of method of wastewater treatment of film electric coupling, and it will be outer
Last person's water obtains fresh water and concentrated water after film filter process, and electrocatalysis oxidation apparatus, concentrated water are sent in fresh water reuse, concentrated water
Middle organic pollution, organism are decomposed by electrocatalytic oxidation, and the kind water for obtaining is processed into bipolar membrane electrodialysis device, in water
Inorganic salt is converted into bronsted lowry acids and bases bronsted lowry, realizes recycling, and the water Jing after electrodialysis have separated inorganic salt is used as landscape environment
Water.The method comprehensively solves the problems, such as the organic pollution of waste water, salinity, realizes waste water reclaiming, but film concentrated water is processed
Complex process, equipment investment are big, and operating cost is high.
105417775 A of Chinese Patent Application No. CN discloses a kind of reverse-osmosis treated reuse method of dyeing waste water,
Printing and dyeing wastewater treatment system water outlet is carried out into activated carbon adsorption, ultrafiltration membrance filter, macroporous resin adsorption, reverse osmosis membrane separation, instead
Infiltration is produced water and is utilized in Enterprises as a kind of high-quality water, after film concentrated water carries out advanced oxidation reaction, a part of up to standard
Discharge, it is a part of to be used for rinsing Jing after absorption.The invention can solve the problems, such as printing and dyeing wastewater to reach standard discharge and reuse, but technique stream
Journey is long, the process after there is the regeneration after adsorbent adsorption saturation and discarding.
The content of the invention
Mesh of the present invention is to provide a kind of electrolemma manifold type dyeing waste water advanced treating and separate-recycling method, the method process
Flow process is short, can require according to enterprise practical displacement, with water and pollutant emission index flexibly controls the separate-recycling water yield and final draining
Amount, while RO films concentrated water can be directly reached《Textile dyeing and finishing industrial water pollution thing discharge standard》（GB4287-2012）The discharge of table 2
Limit value is required, is processed without the need for row again, efficiently solves textile printing and dyeing enterprises and supply water or blowdown limitation problem, realize that industrial water saving subtracts
The purpose of row.
The technical solution used in the present invention is：
A kind of electrolemma manifold type dyeing waste water advanced treating and separate-recycling method, comprise the following steps：
Step one, electroxidation process：Dyeing waste water biochemical treatment system secondary clarifier effluent is taken, is entered electroxidation processing meanss and is urged
Oxidation, removes the colourity and Organic substance therein of dyeing waste water biochemical treatment system secondary clarifier effluent, electroxidation process
The electroxidation for obtaining afterwards processes water outlet and can continue advanced treating or direct qualified discharge；
Step 2, submerged ultrafiltration are filtered：Electroxidation in step one is processed water outlet carries out submerged ultrafiltration filtration, obtains
Water and ultrafilter membrane concentrated water are produced in ultrafiltration, and the recycle-water that the part water outlet in water can be used as rinsing process according to enterprise demand is produced in ultrafiltration,
Remainder water outlet is entered reverse osmosis membrane and is continued with；Ultrafilter membrane concentrate recirculation, it is mixed with dyeing waste water biochemical system secondary clarifier effluent
Close, circular treatment；
Step 3, reverse osmosis membrane filtration：Take step 2 ultrafiltration product water and enter reverse osmosis membrane filtration system, reverse osmosis produced water is used as Gao Pin
Matter water enters production system and recycles, reverse osmosis concentrated water then direct qualified discharge.
Dyeing waste water biochemical treatment system secondary clarifier effluent water quality is：It is 110-250 that initial pH is 6.5-7.5, CODcr
mg/L。
In step one, electroxidation treatment conditions are：Voltage is 6.1-7.2V, and electric current density is 9-12.5mA/cm2, waterpower stops
The time is stayed to be 15-30min.
Electroxidation processing meanss include sewage pump, effusion meter, electro-oxidation reactor and the commutator being sequentially connected；Electricity is urged
Change reactor is column type, and its internal diameter is 0.3m, a height of 1.8m, and its bottom and top are respectively provided with flow inlet area and outlet
Area, direction is equidistantly arranged alternately minus plate and positive plate along its longitudinal axis in electric catalysis reactor, minus plate and positive plate respectively with
The negative pole of commutator and positive pole connection, wherein minus plate are circular metal titanium net, and positive plate is titanio β-PbO2Coated mesh, negative electrode
Plate and positive plate are each 24, and the spacing of minus plate and positive plate is 25mm.
Submerged ultrafiltration in the step 2 is the hollow-fibre membrane that nominal pore is 0.01 μm, and its material is poly- inclined
Fluorothene PVDF, ultrafiltration produce water management 90%.
In the step 3, reverse osmosis membrane adopts reverse osmosis membrane of the salt rejection rate more than 99%, and its material is polyamide, is controlled
Film producing water ratio is in 50%-60%.
In step one, the CODcr of electroxidation process water outlet is stable in below 80mg/L.
In step 3 osmosis filtration operating pressure be 0.5-2MPa, operation temperature at 5-40 DEG C, reverse osmosis produced water
CODcr<15mg/L, colourity between 1 and 2, the CODcr of reverse osmosis concentrated water<180mg/L, colourity<50.
Compared with the prior art, the beneficial effects of the present invention is：
1）The CODcr clearances of the more traditional air-float technology of electroxidation are high by more than 30%, replace air-float technology with electroxidation, need not add
Medicine, also produces without printing and dyeing sludge, and effluent quality can be directly reached《Textile dyeing and finishing industrial water pollution thing discharge standard》
（GB4287-2012）The emission limit of table 2 is required；
2）Immersion ultrafiltration and reverse osmosis can flexibly be arranged according to enterprise practical displacement, recycle-water actual demand amount and pollutant emission index
The wastewater treatment capacity of saturating unit；
3）Reverse osmosis concentrated water water quality meets qualified discharge requirement, without the need for further processing, solves textile printing and dyeing enterprises film concentrated water
Can not direct qualified discharge problem；
4）Technological process is short, can effectively solving textile printing and dyeing enterprises supply water or blowdown limitation problem, realize industrial water saving reduce discharging
Purpose.
Description of the drawings
Fig. 1 is the process chart of the present invention.
Specific embodiment
It is described in further detail below by technological process Fig. 1 of specific embodiment and the present invention, but the guarantor of the present invention
Shield is not limited to this.
As shown in figure 1, a kind of electrolemma manifold type dyeing waste water advanced treating and separate-recycling method, comprise the following steps：
Step one, electroxidation process：Take dyeing waste water biochemical treatment system secondary clarifier effluent and enter electroxidation processing meanss and urged
Oxidation, dyeing waste water biochemical treatment system secondary clarifier effluent water quality is：It is 110- that initial pH is 6.5-7.5, CODcr
Dyeing waste water biochemical treatment system secondary clarifier effluent is sent into electricity using sewage pump without particular/special requirement by 250 mg/L, SS and colourity
The water inlet of oxidation treatment device bottom, waste water flow through each electrode so that plunger is streamed under certain flow rate, using constant current electricity
Oxidation, adjusts electric current density according to influent COD cr concentration, typically in 9-12.5mA/cm2, voltage is 6.1-7.2V, adjusts waste water
It is 15-30min that flow velocity makes hydraulic detention time in its cell body between anode and cathode, removes dyeing waste water biochemical treatment system two
The colourity of sinking pool effluent and Organic substance therein, process water outlet CODcr to electroxidation and stablize in below 80mg/L, and process reaches will
Membranous system treating capacity is arranged according to enterprise's reuse water yield after asking, remaining waste water then enters outer row pond；
Step 2, submerged ultrafiltration are filtered：Electroxidation in step one is processed water outlet carries out submerged ultrafiltration filtration, by electricity
Oxidation processes water outlet supercharging is pumped into immersion ultrafiltration pond, and bottom of pond portion is provided with aerator, maintains film with continuous way aeration
The shake of silk, ultrafilter membrane are filtered by suction by self priming pump, are obtained ultrafiltration and are produced water and ultrafilter membrane concentrated water, and ultrafiltration is produced water and enters ultrafiltration water
The CODcr of water is produced in pond, ultrafiltration<80mg/L, colourity<20, a part of ultrafiltration is produced water and sends into workshop as the simple of the operations such as rinsing
Recycle-water, a part of ultrafiltration produce water and are pumped into reverse osmosis membrane filtration device by supercharging；The outlet of submerged ultrafiltration and anti-
Mouth is washed respectively equipped with automatic valve, when the dirty stifled pressure reduction of film rises, backwashing pump is shifted ultrafiltration product water onto ultrafilter membrane exit and film is carried out
Backwash, ultrafilter membrane concentrate recirculation are mixed with dyeing waste water biochemical system secondary clarifier effluent, circular treatment；
Step 3, reverse osmosis membrane filtration：Take step 2 ultrafiltration product water and enter reverse osmosis membrane filtration system, ultrafiltration is produced water and passes through booster pump
Input reverse osmosis membrane apparatus, operating pressure are 0.5-2MPa, and, at 5-40 DEG C, control reverse osmosis membrane producing water ratio is in 50- for operation temperature
60%, reverse osmosis produced water CODcr<15mg/L, colourity are close to 1, directly can carry out entering production system circulation profit as high-quality water
With；Reverse osmosis membrane concentrated water CODcr<180mg/L, colourity<50, meet《Textile dyeing and finishing industrial water pollution thing discharge standard》
（GB4287-2012）The indirect emission limit of table 2 requires, can direct qualified discharge.
Electroxidation processing meanss include sewage pump, effusion meter, electro-oxidation reactor and the commutator being sequentially connected；Electricity is urged
Change reactor is column type, and its internal diameter is 0.3m, a height of 1.8m, and its bottom and top are respectively provided with flow inlet area and outlet
Area, direction is equidistantly arranged alternately minus plate and positive plate along its longitudinal axis in electric catalysis reactor, minus plate and positive plate respectively with
The negative pole of commutator and positive pole connection, wherein minus plate are circular metal titanium net, and positive plate is titanio β-PbO2Coated mesh, negative electrode
Plate and positive plate are each 24, and the spacing of minus plate and positive plate is 25mm.
Submerged ultrafiltration in the step 2 is the hollow-fibre membrane that nominal pore is 0.01 μm, and its material is poly- inclined
Fluorothene PVDF, ultrafiltration produce water management 90%.
In the step 3, reverse osmosis membrane adopts reverse osmosis membrane of the salt rejection rate more than 99%, and its material is polyamide, is controlled
Film producing water ratio is in 50%-60%.
Embodiment：
Using certain textile printing and dyeing enterprises biochemical treatment system secondary clarifier effluent as raw water, water quality situation：pH6.9、CODcr 215
Mg/L, colourity 120.
（1）Electroxidation process：Waste water is in electric current density 11.5mA/cm2, tank voltage be 6.5V under the conditions of, Jing electroxidation dress
Put process, water conservancy time of staying 30min, effluent quality：It is 76 mg/L that pH is 7.17, CODcr, and colourity is 30.
（2）Immersion hyperfiltration treatment：Ultrafiltration membrane material is Kynoar（PVDF）Hollow-fibre membrane, nominal pore is
0.01 μm, ultrafiltration pressure is 0.15-0.20MPa, and water temperature is 26-28 DEG C, and the response rate of water is 90%.
Ultra-filtration water water quality：PH be 7.15, CODcr be 70mg/L, colourity be 20, meet the simple recycle-water of printing and dyeing enterprise and
Chromaticity requirements.
（3）Reverse-osmosis treated：Reverse osmosis membrane material is polyamide, and, more than 99%, control film producing water ratio is 60% for salt rejection rate.
Reverse osmosis produced water：PH is that 6.62, CODcr is less than detection line, colourity<2nd, electrical conductivity is 21 μ s/cm, meets industry enterprise
Industry industrial water is required.
Reverse osmosis concentrated water：It is 40 for 164mg/L, colourity that pH is 6.45, CODcr, is met《Textile dyeing and finishing industrial water pollution thing
Discharge standard》（GB4287-2012）The indirect emission limit of table 2 is required.
The effect described by example is the invention is not limited in, its description is nonrestrictive.The present invention authority by
Claim is limited, and it is related to the present invention that the method such as those skilled in the art's foundation present invention is by changing, restructuring is obtained
Technology all within protection scope of the present invention.
Claims (8)
1. a kind of electrolemma manifold type dyeing waste water advanced treating and separate-recycling method, it is characterised in that：Comprise the following steps：
Step one, electroxidation process：Dyeing waste water biochemical treatment system secondary clarifier effluent is taken, is entered electroxidation processing meanss and is urged
Oxidation, removes the colourity and Organic substance therein of dyeing waste water biochemical treatment system secondary clarifier effluent, electroxidation process
The electroxidation for obtaining afterwards processes water outlet and can continue advanced treating or direct qualified discharge；
Step 2, submerged ultrafiltration are filtered：Electroxidation in step one is processed water outlet carries out submerged ultrafiltration filtration, obtains
Water and ultrafilter membrane concentrated water are produced in ultrafiltration, and the recycle-water that the part water outlet in water can be used as rinsing process according to enterprise demand is produced in ultrafiltration,
Remainder water outlet is entered reverse osmosis membrane and is continued with；Ultrafilter membrane concentrate recirculation, it is mixed with dyeing waste water biochemical system secondary clarifier effluent
Close, circular treatment；
Step 3, reverse osmosis membrane filtration：Take step 2 ultrafiltration product water and enter reverse osmosis membrane filtration system, reverse osmosis produced water is used as Gao Pin
Matter water enters production system and recycles, reverse osmosis concentrated water then direct qualified discharge.
2. a kind of electrolemma manifold type dyeing waste water advanced treating as claimed in claim 1 and separate-recycling method, its feature exist
In：Dyeing waste water biochemical treatment system secondary clarifier effluent water quality is：It is 110-250 mg/L that initial pH is 6.5-7.5, CODcr.
3. a kind of electrolemma manifold type dyeing waste water advanced treating as claimed in claim 1 and separate-recycling method, its feature exist
In：In step one, electroxidation treatment conditions are：Voltage is 6.1-7.2V, and electric current density is 9-12.5mA/cm2, during hydraulic retention
Between be 15-30min.
4. a kind of electrolemma manifold type dyeing waste water advanced treating as claimed in claim 1 and separate-recycling method, its feature exist
In：Electroxidation processing meanss include sewage pump, effusion meter, electro-oxidation reactor and the commutator being sequentially connected；Electrocatalytic reaction
Device is column type, and its internal diameter is 0.3m, a height of 1.8m, and its bottom and top are respectively provided with flow inlet area and outlet area, and electricity is urged
Change in reactor that direction is equidistantly arranged alternately minus plate and positive plate along its longitudinal axis, minus plate and positive plate respectively with commutator
Negative pole and positive pole connection, wherein minus plate are circular metal titanium net, and positive plate is titanio β-PbO2Coated mesh, minus plate and anode
Plate is each 24, and the spacing of minus plate and positive plate is 25mm.
5. a kind of electrolemma manifold type dyeing waste water advanced treating as claimed in claim 1 and separate-recycling method, its feature exist
In：Submerged ultrafiltration in the step 2 is the hollow-fibre membrane that nominal pore is 0.01 μm, and its material is polyvinylidene fluoride
Alkene PVDF, ultrafiltration produce water management 90%.
6. a kind of electrolemma manifold type dyeing waste water advanced treating as claimed in claim 1 and separate-recycling method, its feature exist
In：In the step 3, reverse osmosis membrane adopts reverse osmosis membrane of the salt rejection rate more than 99%, and its material is polyamide, controls film and produces
Water rate is in 50%-60%.
7. a kind of electrolemma manifold type dyeing waste water advanced treating as claimed in claim 1 and separate-recycling method, its feature exist
In：In step one, the CODcr of electroxidation process water outlet is stable in below 80mg/L.
8. a kind of electrolemma manifold type dyeing waste water advanced treating as claimed in claim 1 and separate-recycling method, its feature exist
In：In step 3, osmosis filtration operating pressure is 0.5-2MPa, operation temperature at 5-40 DEG C, the CODcr of reverse osmosis produced water<
15mg/L, colourity between 1 and 2, the CODcr of reverse osmosis concentrated water<180mg/L, colourity<50.
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| CN201610927861.3A CN106517604A (en) | 2016-10-31 | 2016-10-31 | Electromembrane coupling type dyeing waste water deep treatment and component recycling method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928555A (en) * | 2019-04-22 | 2019-06-25 | 湖南大学 | A kind of multiduty electrochemistry/nanofiltration circulating water treatment device and application |
| CN111039364A (en) * | 2019-12-26 | 2020-04-21 | 西安泰金工业电化学技术有限公司 | Integrated electrocatalytic oxidation wastewater treatment all-in-one machine and use method |
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|---|---|---|---|---|
| CN102092879A (en) * | 2010-12-30 | 2011-06-15 | 波鹰(厦门)科技有限公司 | Dye wastewater cyclic utilization device and method based on electrolysis and lamination technologies |
| CN104944646A (en) * | 2015-06-15 | 2015-09-30 | 浙江工业大学 | Wastewater advanced treatment method coupling membrane and electricity |
-
2016
- 2016-10-31 CN CN201610927861.3A patent/CN106517604A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092879A (en) * | 2010-12-30 | 2011-06-15 | 波鹰(厦门)科技有限公司 | Dye wastewater cyclic utilization device and method based on electrolysis and lamination technologies |
| CN104944646A (en) * | 2015-06-15 | 2015-09-30 | 浙江工业大学 | Wastewater advanced treatment method coupling membrane and electricity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928555A (en) * | 2019-04-22 | 2019-06-25 | 湖南大学 | A kind of multiduty electrochemistry/nanofiltration circulating water treatment device and application |
| CN111039364A (en) * | 2019-12-26 | 2020-04-21 | 西安泰金工业电化学技术有限公司 | Integrated electrocatalytic oxidation wastewater treatment all-in-one machine and use method |
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